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Search took 0.00 seconds. Search: Posts Made By: jrl4444
Forum: CFX January 7, 2013, 14:10
Replies: 14
Views: 3,816
Posted By jrl4444
CEL Precedence of operators, Order of execution

Yes order of operations is my hang-up, I don't think precedence of operators can help me here but not sure. This post is a little long but should clearly help others with the wonders of why is my...
Forum: CFX January 7, 2013, 07:21
Replies: 14
Views: 3,816
Posted By jrl4444
Adding addtional images

It is like gyroscope precession move
Forum: CFX January 7, 2013, 06:25
Replies: 14
Views: 3,816
Posted By jrl4444
Rodrigues rotation formula

Do a FAQ write up? Sure I will do / help do that but it will be a few days, currently I am waste deep in Rotation Matrix Math with the


Rodrigues rotation formula

Currently I am...
Forum: CFX January 5, 2013, 08:07
Replies: 14
Views: 3,816
Posted By jrl4444
Timestep Interval set to 1, Edit a Run in Progress

Great advice, I was thinking how nice it would be to have had a debugger window for CEL expressions and all other variables of concern. Your suggestions sounds about as close as one can get to just...
Forum: CFX January 4, 2013, 19:44
Replies: 14
Views: 3,816
Posted By jrl4444
Hey Glenn thanks for the reply .... Your...

Hey Glenn thanks for the reply .... Your statement " then you need a rotation transform" .... Well heck I knew that and have done them many times but your statement clued me into the fact that mesh...
Forum: CFX January 3, 2013, 20:39
Replies: 14
Views: 3,816
Posted By jrl4444
Momentum source

Your statement "moving mesh. This should be easy to implement" gave me a smile. I have overcome the learning curve on moving mesh and find it quite useful with in limitations. The limitations seem...
Forum: CFX January 3, 2013, 11:59
Replies: 14
Views: 3,816
Posted By jrl4444
Angular Acceleration issue

Angular Acceleration issue, the original post here I over wrote because I made the post way to long and was getting zero replies on it. Here is a short version.


See image this is a transient...
Forum: CFX January 3, 2013, 10:53
Replies: 14
Views: 3,816
Posted By jrl4444
I have not found a way to MOVE the rotation...

I have not found a way to MOVE the rotation vector DURING A RUN in CFX 11. I have no problems setting the rotation vector to about any direction desired prior to a solver run but found no way to...
Forum: CFX January 3, 2013, 08:07
Replies: 14
Views: 3,816
Posted By jrl4444
Ring of fluid, water or oil spinning Z Axis at...

Ring of fluid, water or oil spinning Z Axis at 10,000 rpm and also being rotated on the Y axis at 20 rpm.

I have not stated the problem very well on the first post, I need to simultaneously...
Forum: CFX December 31, 2012, 06:53
Replies: 14
Views: 3,816
Posted By jrl4444
Exclamation Change the axis of rotation during a transient run in CFX 11

Looking for a way to change the axis of rotation during a transient run in CFX 11. The problem is a high speed disk of fluid spinning and undergoing gyroscopic precession at the same time.
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